Math 021 Test 2 Review Sheet - 2012

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Test 2 Review Sheet
MATH 021
09/12
MATH 021
TEST 2 REVIEW SHEET
TO THE STUDENT:
This Review Sheet gives an outline of the topics covered on Test 2 as well as practice problems.
Answers for all problems begin on page 8. In several instances, it is suggested that you go over
definitions used in this course. Definitions can be found in the “Glossary/Index” listed on pages
A-49 to A-56 of your textbook.
I.
Equations
1.
What is a proportion? Explain how to solve a proportion.
2.
How can you tell if a proportion is a true statement?
3.
Solve each equation, and check your solution.
a.
f.
b.
g.
c.
h.
d.
i.
e.
j.
II.
Inequalities
4.
Write the following inequality symbolically; then graph it on a number line.
x is less than -10.
5.
Write the following inequality symbolically; then write it in words.
6.
Write the following inequality in words; then graph it on a number line.
1

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